🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.27 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 168.3

Radius: 10.8

Gravity: 1.44 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 2.38 AU - 2.68 AU

Year: 2729 Days

Day: 8.9 Hours

Environment

Temp: -209 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 50,722,483 km

• M1: 134,339 km (0.12 R)
• M2: 621,280 km (0.112 R)
• M3: 2,560,218 km (0.072 R)
• M4: 4,976,224 km (0.103 R)
• M5: 6,110,923 km (0.11 R)
• M6: 8,709,438 km (0.103 R)
• M7: 9,245,298 km (0.09 R)
• M8: 11,682,547 km (0.069 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 310.8

Radius: 14.8

Gravity: 1.42 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 2.25 AU - 3.55 AU

Year: 3350 Days

Day: 10.1 Hours

Environment

Temp: -202 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 50,722,483 km

• M1: 184,005 km (0.111 R)
• M2: 887,265 km (0.114 R)
• M3: 1,458,878 km (0.112 R)
• M4: 1,974,542 km (0.113 R)
• M5: 2,655,961 km (0.071 R)
• M6: 3,508,818 km (0.104 R)
• M7: 4,435,128 km (0.076 R)
• M8: 5,639,092 km (0.104 R)
• M9: 6,136,953 km (0.091 R)
• M10: 6,637,209 km (0.109 R)
• M11: 7,453,564 km (0.099 R)
• M12: 9,842,044 km (0.077 R)
• M13: 10,529,895 km (0.111 R)
• M14: 12,205,541 km (0.095 R)
• M15: 14,973,400 km (0.119 R)
• M16: 16,130,241 km (0.058 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 170.3

Radius: 10.7

Gravity: 1.49 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 3.36 AU - 3.46 AU

Year: 4271 Days

Day: 9.7 Hours

Environment

Temp: -208 °C

Axial Tilt: 55 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 50,722,483 km

• M1: 132,993 km (0.083 R)
• M2: 466,895 km (0.046 R)
• M3: 937,679 km (0.075 R)
• M4: 1,838,259 km (0.101 R)
• M5: 2,545,408 km (0.082 R)
• M6: 3,374,180 km (0.079 R)
• M7: 3,759,993 km (0.084 R)
• M8: 4,579,041 km (0.071 R)
• M9: 5,513,130 km (0.084 R)
• M10: 5,851,222 km (0.114 R)
• M11: 6,812,537 km (0.079 R)
• M12: 7,174,265 km (0.101 R)
• M13: 8,212,474 km (0.108 R)
• M14: 9,382,030 km (0.092 R)
• M15: 10,696,397 km (0.069 R)
• M16: 11,533,996 km (0.087 R)
• M17: 12,049,211 km (0.119 R)
• M18: 13,296,708 km (0.046 R)
• M19: 13,819,103 km (0.087 R)
• M20: 15,232,354 km (0.105 R)
• M21: 16,095,833 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 730.5

Radius: 12.7

Gravity: 4.53 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 3.03 AU - 3.81 AU

Year: 4290 Days

Day: 8.9 Hours

Environment

Temp: -211 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 50,722,483 km

• M1: 157,975 km (0.083 R)
• M2: 826,528 km (0.115 R)
• M3: 1,227,451 km (0.032 R)
• M4: 1,689,708 km (0.12 R)
• M5: 2,166,327 km (0.059 R)
• M6: 2,631,726 km (0.062 R)
• M7: 3,088,897 km (0.107 R)
• M8: 3,831,949 km (0.106 R)
• M9: 4,470,882 km (0.03 R)
• M10: 6,200,383 km (0.069 R)
• M11: 7,976,708 km (0.073 R)
• M12: 9,335,954 km (0.085 R)
• M13: 11,335,779 km (0.093 R)
• M14: 12,316,093 km (0.061 R)
• M15: 12,851,654 km (0.087 R)
• M16: 13,453,636 km (0.092 R)
• M17: 14,179,634 km (0.103 R)
• M18: 15,484,876 km (0.037 R)
• M19: 16,868,805 km (0.092 R)
• M20: 18,522,311 km (0.066 R)
• M21: 22,724,665 km (0.082 R)
• M22: 23,680,146 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 219.3

Radius: 8.4

Gravity: 3.11 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 4.05 AU - 4.43 AU

Year: 5922 Days

Day: 8.9 Hours

Environment

Temp: -213 °C

Axial Tilt: 42 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 50,722,483 km

• M1: 104,719 km (0.088 R)
• M2: 468,391 km (0.049 R)
• M3: 763,996 km (0.054 R)
• M4: 1,041,500 km (0.104 R)
• M5: 2,930,323 km (0.111 R)
• M6: 3,688,934 km (0.049 R)
• M7: 4,018,348 km (0.11 R)
• M8: 4,618,984 km (0.038 R)
• M9: 5,252,531 km (0.044 R)
• M10: 7,121,008 km (0.028 R)
• M11: 7,865,258 km (0.116 R)
• M12: 8,377,930 km (0.028 R)
• M13: 10,050,284 km (0.059 R)
• M14: 11,239,288 km (0.099 R)
• M15: 11,670,279 km (0.117 R)
• M16: 12,428,292 km (0.103 R)
• M17: 13,313,762 km (0.08 R)
• M18: 14,592,823 km (0.11 R)
• M19: 15,105,944 km (0.119 R)
• M20: 15,419,501 km (0.111 R)
• M21: 16,662,211 km (0.11 R)
• M22: 19,162,290 km (0.119 R)
• M23: 19,777,736 km (0.038 R)
• M24: 22,916,449 km (0.074 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 402.4

Radius: 6.1

Gravity: 10.81 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 6.53 AU - 7.27 AU

Year: 12293 Days

Day: 15.3 Hours

Environment

Temp: -231 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 50,722,483 km

• M1: 77,342 km (0.113 R)
• M2: 318,195 km (0.065 R)
• M3: 526,585 km (0.097 R)
• M4: 735,872 km (0.069 R)
• M5: 1,118,244 km (0.096 R)
• M6: 2,064,750 km (0.079 R)
• M7: 2,639,654 km (0.106 R)
• M8: 3,758,198 km (0.06 R)
• M9: 3,967,036 km (0.083 R)
• M10: 5,620,392 km (0.031 R)
• M11: 6,731,007 km (0.088 R)
• M12: 7,480,043 km (0.116 R)
• M13: 7,727,777 km (0.069 R)
• M14: 7,938,411 km (0.071 R)
• M15: 9,715,035 km (0.028 R)
• M16: 11,521,430 km (0.117 R)
• M17: 12,648,201 km (0.096 R)
• M18: 13,238,364 km (0.096 R)
• M19: 14,095,261 km (0.097 R)
• M20: 21,901,577 km (0.108 R)
• M21: 24,517,894 km (0.1 R)
• M22: 25,901,226 km (0.047 R)
• M23: 26,468,650 km (0.118 R)
• M24: 35,656,353 km (0.106 R)
• M25: 37,429,088 km (0.07 R)
• M26: 41,792,559 km (0.105 R)
• M27: 42,966,902 km (0.066 R)
• M28: 43,762,015 km (0.088 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 282.3

Radius: 6.1

Gravity: 7.59 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 6.79 AU - 10.31 AU

Year: 16957 Days

Day: 19 Hours

Environment

Temp: -228 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 50,722,483 km

• M1: 75,996 km (0.116 R)
• M2: 371,302 km (0.097 R)
• M3: 1,187,657 km (0.05 R)
• M4: 1,526,945 km (0.078 R)
• M5: 2,137,604 km (0.096 R)
• M6: 2,458,641 km (0.118 R)
• M7: 3,103,408 km (0.114 R)
• M8: 4,691,090 km (0.082 R)
• M9: 5,676,940 km (0.06 R)
• M10: 6,715,448 km (0.063 R)
• M11: 7,658,813 km (0.106 R)
• M12: 8,456,319 km (0.099 R)
• M13: 9,654,149 km (0.117 R)
• M14: 11,685,090 km (0.099 R)
• M15: 12,679,616 km (0.088 R)
• M16: 14,969,960 km (0.039 R)
• M17: 15,721,390 km (0.034 R)
• M18: 18,900,943 km (0.109 R)
• M19: 20,933,679 km (0.097 R)
• M20: 21,699,770 km (0.111 R)
• M21: 23,287,901 km (0.108 R)
• M22: 24,202,841 km (0.111 R)
• M23: 26,693,646 km (0.09 R)
• M24: 27,091,426 km (0.084 R)
• M25: 32,402,450 km (0.089 R)
• M26: 32,628,193 km (0.108 R)
• M27: 35,900,647 km (0.078 R)
• M28: 38,620,336 km (0.1 R)
• M29: 39,642,538 km (0.068 R)
• M30: 40,420,896 km (0.083 R)
• M31: 43,636,353 km (0.101 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 533 - 18,213 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit